PoS - Proceedings of Science
Volume 420 - 10th International Workshop on Semiconductor Pixel Detectors for Particles and Imaging (Pixel2022) - Radiation Damage Studies
Hadron damage investigation of low gain avalanche detectors
J. Sorenson*, M.R. Hoeferkamp, G. Kramberger, S. Seidel and J. Si
Full text: pdf
Pre-published on: May 05, 2023
Published on: May 08, 2023
The High Luminosity Large Hadron Collider upgrade will increase the luminosity of the LHC by a factor of 10. Low gain avalanche detectors (LGADs) promise excellent timing resolution, which can mitigate the pileup associated with high luminosity. The most highly irradiated LGADs will be subject to 2.5*10^15 neq/cm^2 of hadron fluence during Run 4; their timing performance must tolerate this. Hamamatsu Photonics K.K. (HPK) and Fondazione Bruno Kessler (FBK) LGADs have been irradiated with 400 and 500 MeV protons respectively up to the Run 4 hadron equivalent fluence. Preliminary characterizations of the FBK gain layer depletion voltage and timing resolution are presented here.
DOI: https://doi.org/10.22323/1.420.0044
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